RT Journal Article SR Electronic T1 REPLY: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A4910 A1 S. Bracco A1 E. Bertelli YR 2016 UL http://www.ajnr.org/content/early/2016/07/28/ajnr.A4910.abstract AB